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Making text background transparent but not text itself

So I am having a problem. I have looked around and looked around but no luck. I would like to make the background of my body transparent but leave the text non transparent. As it is right now I keep making both the same opacity. Here is my code: ...
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Change Bootstrap tooltip color

What I'm trying to do is change the tooltip color to red. However, I also want to have multiple other colors so I don't simply want to replace the original tooltip's color. ...
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How to round the minute of a datetime object

I have a datetime object produced using strptime() . 17 Answers 17 ...
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ORA-01882: timezone region not found

I'm accessing an Oracle Database from a java application, when I run my application I get the following error: 19 Answers ...
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Python, Matplotlib, subplot: How to set the axis range?

How can I set the y axis range of the second subplot to e.g. [0,1000] ? The FFT plot of my data (a column in a text file) results in a (inf.?) spike so that the actual data is not visible. ...
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How do I convert a string to a double in Python?

I would like to know how to convert a string containing digits to a double. 3 Answers ...
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iterating over each character of a String in ruby 1.8.6 (each_char)

I am new to ruby and currently trying to operate on each character separately from a base String in ruby. I am using ruby 1.8.6 and would like to do something like: ...
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Remove 'a' from legend when using aesthetics and geom_text

How can I can remove the letter 'a' from the legend generated by this code? If I remove the geom_text , then the 'a' letter will not show in the legend. I want to keep geom_text , though. ...
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How to sort objects by multiple keys in Python?

Or, practically, how can I sort a list of dictionaries by multiple keys? 8 Answers 8 ...
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Write a function that returns the longest palindrome in a given string

I thought of a solution but it runs in O(n^2) time 22 Answers 22 ...